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Chemical Changes and Reaction — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYChemical Changes and Reaction1 Mark
Question
By giving two examples in each case, define:
Combustible substance
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Answer

Those substances catch fire easily which undergoes combustion or burn are called combustible substances. ( need the low temperature to burn). For example Paper, cloth, cooking gas (LPG), CNG, Kerosene oil, wood, charcoal, etc.

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